Happy Endings alum Adam Pally is in talks to star in a new John Belushi biopic that would co-star Ike Barinholtz as Dan Aykroyd, while Aubrey Plaza is being eyed to play Belushi's wife, Collider has exclusively learned. David Frankel (The Devil Wears Prada) will direct the long-gestating project, which was written roughly a decade ago by Steve Conrad (Wonder). When Collider last reported on the project in December, Broadway sensation Alex Brightman (Beetlejuice) had agreed to play Belushi, though it seems the filmmakers required a bigger star in order to secure proper financing. Alexandra Milchan (The …